Does Android have a firewall? All information

A firewall is supposed to control all incoming connection requests, blocking untrusted requests. This will protect your device from malware. This is also important on the smartphone, as many users store sensitive data here that must not be seen by third parties.

Firewall on Android

The Android operating system does not offer a pre-installed firewall, but uses some functions that together perform the tasks of a firewall. This includes, for example, the counter that lists the used data volume for WLAN and mobile data. In case of suspicious apps, Android also prompts you to manually allow access to data usage. Unwanted requests are blocked to protect you from malware.Is this protection sufficient or does another firewall make sense? In general, it can be said that the Android features offer good protection with regular security updates. If you still want to feel more secure, you can additionally install a firewall.

You can use these firewalls for Android

1. NetGuard: This free firewall is based on an open-source program. You can see a list of all applications that access the Internet in the app and can set permissions manually.
2. NoRoot Firewall: With this free app, you get more setting options. Hier lassen sich auch einzelne Einstellungen für mobile Daten und WLAN vornehmen.